Home / 3,305.78-4,959.35-2,687.96

Finding the Fourth Proportional to 3,305.78, 4,959.35 and 2,687.96

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Solution

The fourth proportional to 3,305.78, 4,959.35 and 2,687.96 is: 4,032.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.78 : 4,959.35 = 2,687.96 : x
  2. Step 2: Convert to fraction form
    3,305.78/4,959.35 = 2,687.96/x
  3. Step 3: Cross multiply
    3,305.78x = 4,959.35 × 2,687.96
  4. Step 4: Simplify right side
    3,305.78x = 13,330,496.19
  5. Step 5: Solve for x
    x = 13,330,496.19/3,305.78
  6. Step 6: Final answer
    x = 4,032.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.